CSV to JSON
CSV stores records as rows and columns, while JSON commonly represents those records as an array of objects. This converter uses the first row as column headers.
Quick answer
Convert CSV rows into JSON objects in your browser, including quoted fields and common CSV formatting. The core operation is designed for quick browser-based use without an account.
How to use this tool
- Paste csv with a header row
- Run the conversion
- Inspect the generated objects
- Then copy or download the json.
Common errors and things to check
Quoted commas, escaped quotes, multiline fields, inconsistent column counts, and duplicate headers deserve attention when importing CSV.
Common use cases
- Moving spreadsheet exports into APIs
- Preparing CSV data for JavaScript
- Converting tabular test data
Privacy and local processing
Core processing for this tool is designed to happen in your browser. The page does not intentionally upload ordinary tool input to a DataToolBase server. Do not paste passwords, private keys, access tokens, personal data, or other sensitive secrets unless you have verified the security requirements for your use case.
Frequently asked questions
Does the first row become the keys?
Yes. The first CSV row is used as the object property names.
Are quoted commas supported?
Yes, the parser handles standard quoted CSV fields.